Home / 1,137,662.40-1,569,911.04-707,928.96

Finding the Fourth Proportional to 1,137,662.40, 1,569,911.04 and 707,928.96

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Solution

The fourth proportional to 1,137,662.40, 1,569,911.04 and 707,928.96 is: 976,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,662.40 : 1,569,911.04 = 707,928.96 : x
  2. Step 2: Convert to fraction form
    1,137,662.40/1,569,911.04 = 707,928.96/x
  3. Step 3: Cross multiply
    1,137,662.40x = 1,569,911.04 × 707,928.96
  4. Step 4: Simplify right side
    1,137,662.40x = 1,111,385,489,839.72
  5. Step 5: Solve for x
    x = 1,111,385,489,839.72/1,137,662.40
  6. Step 6: Final answer
    x = 976,902.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.